```css
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #FDF7F0;
  --bg-secondary: #FFF9F3;
  --accent-orange: #F05A2A;
  --accent-yellow: #FFC857;
  --accent-teal: #134E4A;
  --text-main: #2D2A26;
  --text-muted: #6B6460;
  --border-warm: #EADDCB;
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background-color: var(--bg-primary);
  background-image: radial-gradient(rgba(240, 90, 42, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent-orange);
  color: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--bg-secondary);
}

/* ===== 顶部导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(253, 247, 240, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-warm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.28rem;
  text-decoration: none;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px 4px 12px 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, var(--accent-orange), #FF7A4C);
  color: #fff;
  box-shadow: 0 6px 16px rgba(240, 90, 42, 0.3);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  transition: color 0.2s;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-orange);
  border-radius: 2px;
  transition: width 0.25s;
}

.main-nav a:hover {
  color: var(--accent-orange);
}

.main-nav a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px !important;
  border-radius: 30px !important;
  color: #fff !important;
  font-weight: 700 !important;
  background: var(--accent-orange);
  box-shadow: 0 4px 12px rgba(240, 90, 42, 0.3);
  transition: transform 0.2s, box-shadow 0.2s;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(240, 90, 42, 0.38) !important;
  color: #fff !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ===== Hero ===== */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding: 140px 0 90px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #FFF9F2 0%, #FFEFDF 55%, #FDF7F0 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -160px;
  right: -180px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  border: 70px solid rgba(255, 200, 87, 0.13);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 10%;
  left: -120px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 42px solid rgba(240, 90, 42, 0.06);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 720px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 20px;
  background: var(--accent-yellow);
  color: var(--text-main);
  box-shadow: 0 4px 12px rgba(255, 200, 87, 0.3);
}

.hero h1 {
  font-size: 3.9rem;
  line-height: 1.08;
  margin-bottom: 22px;
  font-weight: 900;
  letter-spacing: -2.5px;
}

.hero h1 .text-accent {
  position: relative;
  display: inline-block;
}

.hero h1 .text-accent::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background: var(--accent-yellow);
  border-radius: 4px;
  z-index: -1;
  opacity: 0.8;
}

.hero p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 36px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
}

.hero-image {
  border-radius: 24px 90px 24px 90px;
  overflow: hidden;
  position: relative;
  z-index: 2;
  transform: rotate(1.2deg);
  background: linear-gradient(135deg, var(--accent-yellow) 0%, var(--accent-orange) 100%);
  box-shadow:
    0 28px 60px rgba(240, 90, 42, 0.2),
    0 0 0 1px rgba(240, 90, 42, 0.05);
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 3px solid var(--accent-yellow);
  border-radius: 24px 90px 24px 90px;
  transform: translate(14px, 14px) rotate(0.5deg);
  z-index: -1;
}

.hero-image::after {
  content: '🏆';
  position: absolute;
  top: 18px;
  right: 18px;
  width: 62px;
  height: 62px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  z-index: 2;
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  min-height: 320px;
  object-fit: cover;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 30px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  font-size: 0.92rem;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #fff;
  background: var(--accent-orange);
  box-shadow: 0 8px 20px rgba(240, 90, 42, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 14px 30px rgba(240, 90, 42, 0.36);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--text-main);
  color: var(--text-main);
}

.btn-outline:hover {
  background: var(--text-main);
  color: #fff;
}

/* ===== 区块标签标题 ===== */
.section-label {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: var(--accent-orange);
  padding: 5px 16px;
  border-radius: 30px;
  background: rgba(240, 90, 42, 0.08);
}

.section-title {
  font-size: 2.4rem;
  line-height: 1.2;
  margin-bottom: 14px;
  font-weight: 900;
  letter-spacing: -1px;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 5px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent-orange), var(--accent-yellow));
  margin-top: 12px;
}

.section-desc {
  max-width: 600px;
  color: var(--text-muted);
  margin-bottom: 48px;
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ===== 卡片网格 ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: 20px 8px 20px 8px;
  padding: 32px 28px 28px;
  background: #fff;
  border: 1px solid var(--border-warm);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 90px;
  height: 90px;
  background: radial-gradient(circle, rgba(255, 200, 87, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.category-card::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-orange), var(--accent-yellow));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.category-card:hover {
  transform: translateY(-5px) rotate(-0.5deg);
  box-shadow: 0 18px 40px rgba(240, 90, 42, 0.09);
}

.category-card:hover::after {
  transform: scaleX(1);
}

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.category-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 14px;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px 4px 16px 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: var(--accent-orange);
  color: #fff;
  box-shadow: 0 6px 14px rgba(240, 90, 42, 0.28);
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--accent-orange);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  transition: gap 0.2s;
}

.card-link::after {
  content: '→';
}

.card-link:hover {
  gap: 10px;
}

/* ===== 特性块 ===== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-image {
  border-radius: 20px 80px 20px 80px;
  overflow: hidden;
  position: relative;
  background: var(--accent-teal);
  box-shadow: 0 24px 50px rgba(19, 78, 74, 0.15);
}

.feature-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px 80px 20px 80px;
  border: 3px solid var(--accent-yellow);
  transform: translate(12px, 12px);
  pointer-events: none;
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  min-height: 300px;
  object-fit: cover;
  border-radius: 20px 80px 20px 80px;
}

.feature-text {
  padding: 0 10px;
}

.feature-text h2 {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 14px;
  line-height: 1.25;
}

.feature-text p {
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 10px;
}

.feature-list {
  list-style: none;
  margin-top: 26px;
}

.feature-list li {
  padding: 12px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.98rem;
  font-weight: 500;
  border-bottom: 1px dashed var(--border-warm);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  color: var(--accent-orange);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(240, 90, 42, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* ===== 数据条 ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}

.stat-item {
  padding: 32px 20px;
  border-radius: 20px 8px 20px 8px;
  background: #fff;
  border: 1px solid var(--border-warm);
  position: relative;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-orange), var(--accent-yellow));
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(240, 90, 42, 0.08);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -1px;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--accent-orange), #F7A030);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 8px;
  font-weight: 500;
}

/* ===== 内容墙 ===== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 16px 8px 16px 8px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border-warm);
  transition: transform 0.3s, box-shadow 0.3s;
}

.content-wall-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(240, 90, 42, 0.09);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}

.content-wall-item:hover img {
  transform: scale(1.03);
}

.content-wall-body {
  padding: 24px;
}

.content-wall-body .tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-orange);
  padding: 3px 12px;
  border-radius: 20px;
  background: rgba(240, 90, 42, 0.08);
  margin-bottom: 10px;
}

.content-wall-body h3 {
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
}

.content-wall-body p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-warm);
  border-radius: 16px 8px 16px 8px;
  margin-bottom: 14px;
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  transition: box-shadow 0.25s, border-color 0.25s;
}

.faq-item:hover {
  box-shadow: 0 8px 24px rgba(240, 90, 42, 0.06);
  border-color: rgba(240, 90, 42, 0.3);
}

.faq-item.open {
  border-color: var(--accent-orange);
  box-shadow: 0 10px 28px rgba(240, 90, 42, 0.08);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  transition: color 0.2s;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--accent-orange);
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.85;
  border-top: 1px dashed var(--border-warm);
  padding-top: 14px;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== CTA横幅 ===== */
.cta-banner {
  padding: 64px 48px;
  text-align: center;
  border-radius: 30px 12px 30px 12px;
  background: linear-gradient(135deg, var(--accent-orange) 0%, #F77A45 50%, var(--accent-yellow) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(240, 90, 42, 0.3);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -130px;
  left: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 44px solid rgba(255, 255, 255, 0.08);
}

.cta-banner h2 {
  color: #fff;
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 14px;
  position: relative;
  z-index: 2;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 2;
  line-height: 1.8;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--accent-orange) !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 2;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.15);
}

/* ===== 页脚 ===== */
.site-footer {
  padding: 72px 0 28px;
  background: var(--bg-secondary);
  border-top: 4px solid var(--accent-orange);
  position: relative;
  margin-top: 60px;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 8px;
  background: var(--accent-yellow);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 12px;
  line-height: 1.8;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
  color: var(--accent-teal);
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 5px 0;
  transition: color 0.2s, padding-left 0.2s;
}

.footer-col a:hover {
  color: var(--accent-orange);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid var(--border-warm);
  margin-top: 40px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== 工具类 ===== */
.text-accent {
  color: var(--accent-orange);
}

.text-center {
  text-align: center;
}

.text-center .section-title::after {
  margin-left: auto;
  margin-right: auto;
}

.seo-description {
  max-width: 620px;
  margin: 0 auto 48px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.85;
  font-size: 1rem;
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .hero {
    padding-top: 120px;
  }

  .hero-image {
    max-width: 520px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .feature-text {
    padding: 0;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--bg-primary);
    padding: 28px;
    gap: 20px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid var(--border-warm);
  }

  .main-nav.open a::after {
    display: none;
  }

  .menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero h1 {
    font-size: 2.7rem;
    letter-spacing: -1.5px;
  }

  .section-title {
    font-size: 1.9rem;
  }

  .cta-banner {
    padding: 48px 28px;
  }

  .cta-banner h2 {
    font-size: 1.7rem;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero h1 {
    font-size: 2.1rem;
    letter-spacing: -1px;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero .container {
    gap: 40px;
  }

  .hero-image {
    border-radius: 16px 60px 16px 60px;
  }

  .hero-image::before {
    border-radius: 16px 60px 16px 60px;
    transform: translate(8px, 8px);
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .content-wall-item img {
    height: 170px;
  }

  .cta-banner {
    padding: 40px 20px;
    border-radius: 20px 8px 20px 8px;
  }

  .stat-item {
    padding: 24px 16px;
  }

  .stat-number {
    font-size: 2rem;
  }
}